If log10 {log10[log10(log10N )]} = 0, then the value of

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If log₁₀{log₁₀[log₁₀(log₁₀N)]} = 0
⇒ log₁₀{log₁₀(log₁₀N)} = 1
⇒ log₁₀(log₁₀N) = 10
⇒ log₁₀^N = 10¹⁰
∴ N = 10¹⁰¹⁰